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Finding the Fourth Proportional to 641,796.86, 962,717.62 and 304,663.82

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Solution

The fourth proportional to 641,796.86, 962,717.62 and 304,663.82 is: 457,006.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,796.86 : 962,717.62 = 304,663.82 : x
  2. Step 2: Convert to fraction form
    641,796.86/962,717.62 = 304,663.82/x
  3. Step 3: Cross multiply
    641,796.86x = 962,717.62 × 304,663.82
  4. Step 4: Simplify right side
    641,796.86x = 293,305,229,335.64
  5. Step 5: Solve for x
    x = 293,305,229,335.64/641,796.86
  6. Step 6: Final answer
    x = 457,006.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.